136919039 has 4 divisors (see below), whose sum is σ = 137160240. Its totient is φ = 136677840.

The previous prime is 136919011. The next prime is 136919047. The reversal of 136919039 is 930919631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136919039 - 2⁸ = 136918783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136918987 and 136919005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136919059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119747 + ... + 120884.

It is an arithmetic number, because the mean of its divisors is an integer number (34290060).

Almost surely, 2^136919039 is an apocalyptic number.

136919039 is a deficient number, since it is larger than the sum of its proper divisors (241201).

136919039 is an equidigital number, since it uses as much as digits as its factorization.

136919039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241200.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 136919039 is about 11701.2409170993. The cubic root of 136919039 is about 515.4121048695.

The spelling of 136919039 in words is "one hundred thirty-six million, nine hundred nineteen thousand, thirty-nine".